English

Periodicity of traces of Hecke operators modulo prime powers

Number Theory 2026-02-23 v2

Abstract

We study traces of Hecke operators on spaces of elliptic cusp forms and Drinfeld cusp forms and show that, modulo any prime power, these traces are periodic in the weight.

Keywords

Cite

@article{arxiv.2601.03029,
  title  = {Periodicity of traces of Hecke operators modulo prime powers},
  author = {Jonas Bergström and Sjoerd de Vries},
  journal= {arXiv preprint arXiv:2601.03029},
  year   = {2026}
}

Comments

v2, minor changes